Question

The little swallow says'it is curious but I feel quite warm now although it is so cold' have you ever such a feeling. Write a diary entry with in 150 words describing an incident where your action made you feel warm.

Answer 1

The technique of collecting information about an object from a distance without making physical contact with it is known as remote sensing.

Remote sensing is used for various applications in various fields like Earth science, geography, land surveying etc.

Its various applications include military, humanitarian purposes, commercial, planning, economic etc.